v2.4.0.8
Document and Entity Information
9 Months Ended
Sep. 30, 2013
Oct. 31, 2013
Document and Entity Information    
Entity Registrant Name AASTROM BIOSCIENCES INC  
Entity Central Index Key 0000887359  
Document Type 10-Q  
Document Period End Date Sep. 30, 2013  
Amendment Flag false  
Current Fiscal Year End Date --12-31  
Entity Current Reporting Status Yes  
Entity Filer Category Accelerated Filer  
Entity Common Stock, Shares Outstanding   4,380,302
Document Fiscal Year Focus 2013  
Document Fiscal Period Focus Q3